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Diffstat (limited to 'results/scraper/launchpad-without-comments/1223477')
| -rw-r--r-- | results/scraper/launchpad-without-comments/1223477 | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/results/scraper/launchpad-without-comments/1223477 b/results/scraper/launchpad-without-comments/1223477 new file mode 100644 index 00000000..db2ec471 --- /dev/null +++ b/results/scraper/launchpad-without-comments/1223477 @@ -0,0 +1,30 @@ +Unable to read USB filesystems with EFI Bios + +Preamble and version: +With respect to my fix for using USB devices as -hda mentioned in bug 1223467 +Using Qemu 1.6.0 with OVMF r11337-alpha (Qemu is built from Source, OVMF is pre built) + +Command: +qemu-system-i386.exe -m 1024 -hda \\.\PhysicalDrive1 -L ovmf-ia32 + +Fault: +The EFI Shell is able to detect the hda block device, report its capacity and usage; +but it sees no files or directories on the device. + +Similar commands: +I have also seen the same with +qemu-system-x86_64.exe -m 1024 -hda \\.\PhysicalDrive1 -L ovmf-ia32 +and +qemu-system-x86_64.exe -m 1024 -hda \\.\PhysicalDrive1 -L ovmf-x64 + +Investigations: +I tried very small (500MB) and very large (32 GB) USB devices with no difference. +I re-built several versions of Qemu in an identical build environment, and found that: +Qemu 1.2.2 and before, all the above commands work and the EFI boot loader is called. +Qemu 1.3.0-rc0 and after do not work and the USB device appears blank. +I'm reporting the bug here and not with OVMF because older versions of Qemu with the same OVMF bios work perfectly. + +In all cases using '-L pc-bios' works perfectly. +In all cases using an image of the USB device works. + +Thanks \ No newline at end of file |